<script lang="ts">

export default {
    name: 'Person',
    setup(){
        let name = "张三"
        let age = 18
        let phone = "13388888888"

        function changeName(){
            name = '张三'
        }
        function changeAge(){
            age +=1
        }
        function showTel(){
            alert(phone)
        }
        
        return {name,age,changeName,changeAge,showTel}
    }
}
</script>

<template>
    <div class="person">
        <h2>姓名：{{name}}</h2>  
        <h2>年龄：{{age}}</h2>  
        <button @click="changeName">修改名字</button>
        <button @click="changeAge">修改年龄</button>
        <button @click="showTel">查看联系方式</button> 
    </div>
</template>

<style>
.person {
    background-color: skyblue;
    box-shadow: 0 0 10px;
    border-radius: 10px;
    padding: 20px;
}
button{
    margin:0px 5px;
}
</style>